Separate -o pipefail into separate list elements

Author: ewels

nf_core/pipeline-template/nextflow.config

@@ -243,7 +243,8 @@ process.shell = [
     "-C",         // No clobber - prevent output redirection from overwriting files.
     "-e",         // Exit if a tool returns a non-zero status/exit code
     "-u",         // Treat unset variables and parameters as an error
-    "-o pipefail" // Returns the status of the last command to exit with a non-zero status or zero if all successfully execute
+    "-o",         // Returns the status of the last command to exit..
+    "pipefail"    //   ..with a non-zero status or zero if all successfully execute
 ]
 
 // Disable process selector warnings by default. Use debug profile to enable warnings.